Portable door lock



FIG. 1 is a perspective view of a portable door lock showing my newdesign;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is an enlarged view of portion 9 shown in FIG. 2.

The broken lines in the drawings depict portions of the portable doorlock that form no part of the claimed design.

CLAIM The ornamental design for a portable door lock, as shown anddescribed.